Home / 137,878.04-206,836.48-49,105.28

Finding the Fourth Proportional to 137,878.04, 206,836.48 and 49,105.28

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Solution

The fourth proportional to 137,878.04, 206,836.48 and 49,105.28 is: 73,664.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    137,878.04 : 206,836.48 = 49,105.28 : x
  2. Step 2: Convert to fraction form
    137,878.04/206,836.48 = 49,105.28/x
  3. Step 3: Cross multiply
    137,878.04x = 206,836.48 × 49,105.28
  4. Step 4: Simplify right side
    137,878.04x = 10,156,763,264.61
  5. Step 5: Solve for x
    x = 10,156,763,264.61/137,878.04
  6. Step 6: Final answer
    x = 73,664.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.